In this video we look at the Facit NTK Mechanical Calculator from 1957! In this video we answer some questions from the last Facit NTK Mechanical Calculator video. I explain how the decimal place markers work and what happens when you divide by zero! Further information John Wolff’s excellent website User manual (PDF) I refer […]

In this video we look at a dirt cheap wireless energy meter that is surprisingly accurate. We put it through its paces before tearing it down to see how it works. Further information Altronics product page Atmel AT24C02 datasheet (PDF) Cirrus Logic CS5460 datasheet (PDF)

In this video I review and teardown the Turnigy Infrared Thermometer, which is a rebadged ZyTemp TN105i2 Compact IR Thermometer. This is a great piece of kit for any electronics workshop! Further information ZyTemp (manufacturer) page Instruction manual (PDF) HobbyKing (distributor) page

In this video I review and teardown a cheap Motion Activated PIR Solar LED Light from Amazon. The product is described as a: Swiftly Done Bright Solar Power Outdoor LED Light Further information Amazon product page